✨(domains) define domain check interval as a settings

For now, to avoid overloading dimail, we have defined a
time interval between each check request to dimail.
This interval should be configurable for testing and
different environments.

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to
 
 ### Added
 
+- ✨(domains) define domain check interval as a settings
 - ✨(oidc) add simple introspection backend #832
 - 🧑‍💻(tasks) run management commands #814
 

src/backend/mailbox_manager/tasks.py

@@ -2,6 +2,8 @@
 
 import time
 
+from django.conf import settings
+
 import requests
 from celery import Celery
 from celery.schedules import crontab
@@ -54,7 +56,7 @@ def fetch_domains_status_task(status: str):
     for domain in MailDomain.objects.filter(status=status):
         old_status = domain.status
         # wait 10 seconds between each domain treatment to avoid overloading dimail
-        time.sleep(10)
+        time.sleep(settings.MAIL_CHECK_DOMAIN_INTERVAL)
         try:
             client.fetch_domain_status(domain)
         except requests.exceptions.HTTPError as err:

src/backend/mailbox_manager/tests/test_tasks.py

@@ -5,6 +5,8 @@ Unit tests for mailbox manager tasks.
 import json
 import re
 
+from django.test import override_settings
+
 import pytest
 import responses
 
@@ -15,6 +17,7 @@ from .fixtures.dimail import CHECK_DOMAIN_BROKEN_INTERNAL, CHECK_DOMAIN_OK
 pytestmark = pytest.mark.django_db
 
 
+@override_settings(MAIL_CHECK_DOMAIN_INTERVAL=0)
 @responses.activate
 def test_fetch_domain_status_task_success():  # pylint: disable=too-many-locals
     """Test fetch domain status from dimail task"""
@@ -78,6 +81,7 @@ def test_fetch_domain_status_task_success():  # pylint: disable=too-many-locals
     assert domain_disabled.status == enums.MailDomainStatusChoices.DISABLED
 
 
+@override_settings(MAIL_CHECK_DOMAIN_INTERVAL=0)
 @responses.activate
 def test_fetch_domains_status_error_handling(caplog):
     """Test fetch domain status from dimail task with error"""

src/backend/people/settings.py

@@ -540,6 +540,11 @@ class Base(Configuration):
         environ_name="MAIL_PROVISIONING_API_TIMEOUT",
         environ_prefix=None,
     )
+    MAIL_CHECK_DOMAIN_INTERVAL = values.IntegerValue(
+        default=10,
+        environ_name="MAIL_CHECK_DOMAIN_INTERVAL",
+        environ_prefix=None,
+    )
     DNS_PROVISIONING_API_URL = values.Value(
         default="https://api.scaleway.com",
         environ_name="DNS_PROVISIONING_API_URL",